Turning machine



FIG. 1 is a perspective view of a turning machine embodying our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof.

The bottom view, which is not shown, is unornamented and not visible in normal use.

The vents which are partially shown in FIGS. 4 and 6 are understood to repeat uniformly throughout the circumscribed area. 

The ornamental design for a turning machine, substantially as shown and described. 